Method of making a glass sheet using controlled cooling

Method of making a glass sheet using controlled cooling

A method of a drawing glass sheet via a downdraw process utilizing rapid cooling below the root of the forming apparatus to facilitate the use of glass having a liquidus viscosity less than about 100,000 poise. The glass sheet is cooled such that the final thickness of the glass sheet is attained wi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KENT LEONARD R, FILLIPPOV ANDREY V, RHOADS RANDY L, ALLAN DOUGLAS C, BORATAV OLUS N, FREDHOLM ALLAN M, OTT TERRY J, KLINGENSMITH LEWIS K
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Beschreibung
Zusammenfassung:A method of a drawing glass sheet via a downdraw process utilizing rapid cooling below the root of the forming apparatus to facilitate the use of glass having a liquidus viscosity less than about 100,000 poise. The glass sheet is cooled such that the final thickness of the glass sheet is attained within a distance of about 300 mm of the root.